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Contract OI history

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Nov 20, 2026 EXPIRATION

WELL $250.00 Call

WELL261120C00250000

Latest saved OI767Oct 23, 2026
Last change+102vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $250.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7673830 2026-10-02: 343 OI2026-10-05: 344 OI2026-10-06: 345 OI2026-10-07: 341 OI2026-10-08: 339 OI2026-10-09: 347 OI2026-10-14: 408 OI2026-10-15: 414 OI2026-10-16: 424 OI2026-10-21: 665 OI2026-10-23: 767 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WELL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing767+102
Oct 21, 2026665+241
Oct 16, 2026424+10
Oct 15, 2026414+6
Oct 14, 2026408+61
Oct 09, 2026347+8
Oct 08, 2026339-2
Oct 07, 2026341-4
Oct 06, 2026345+1
Oct 05, 2026344+1
Oct 02, 2026343No prior observation